docs: def add_cell_params(self, params, pos=None):
          """
          Add cell of Python parameters
          :param params: parameters to add
          :return:
          """
  
          self.params = params
          cell_str = '# Parameters:\n'
          for k, v in params.items():
              cell_str += "{} = {}\n".format(k, repr(v))
          self.add_cell_code(cell_str, pos)